BIOS Professional 200TC, Instruction Manual, Page: 16 / 44

13.0 Troubleshooting
Unit Display Meaning Action
Monitor ---- Sensor is not registered
for that particular channel Enter registration mode
and connect to sensor
unit
P Probe is not connected Ensure probe is properly
connected to sensor. If
it is not, de-register the
sensor (section 6.0) and
register again.
LS Lost signal Check battery of sensor.
Restart the temperature
sensor.
Check that the correct
probe is being used.
i.e.: Blue probe for
cold measurements
and red probe for hot
measurements
HI Temperature exceeds
the display range or the
probe range Check the actual
temperature of the
sensor location
Lo Temperature is below
the display range or the
probe range Check the actual
temperature of the
sensor location
USB
(Flashing) Memory is full. Oldest
data will begin to delete. Upload data
Sensor
Numbers
are out of
order The sensor number at
the top of the list is in
alarm mode. Once sensor is out of
alarm mode, sensors
will be displayed in
chronological order.
Temperature Sensor ---- Sensor is not registered Enter registration mode
on monitor and re-insert
batteries in the sensor for
registration
A Alarm is on Check sensor location.
Press MUTE/SLEEP to
resume normal operation
Z
Z
Sensor is in sleep mode To exit sleep mode,
press and hold button
on sensor until a beep
is heard